They're physical elements such as a docking station, charging pad, launching, and landing units, grippers, and many others. They may be required to automate the cycle of launching a drone and docking it when it returns from the protection and surveillance mission without having human interference. Drone Amplified can be https://drone-detector31963.bligblogging.com/35295931/indicators-on-hd-zoom-thermal-camera-you-should-know